Pediatric Surgery


Rady Children's Specialists of San Diego

Medical Group / IPA


Medical School

Chicago Medical School


National Naval Medical Center - Bethesda, MD


Naval Medical Center Portsmouth

Board Certifications

Pediatric Surgery




Dr. Ignacio has recently joined the Department of Surgery at UCSD School of Medicine as a staff pediatric surgeon. He is currently the Trauma Medical Director at Rady Children's Hospital San Diego. He retired from the U.S. Navy with over 20 years of experience and has extensive accomplishments in graduate medical education, global surgery, military medicine and pediatric surgery.

During his leadership in the military, CAPT(Ret.) Ignacio served as the Program Director for General Surgery at Naval Medical Center San Diego (NMCSD). Prior to this he served as the Associate Program Director, Division Chair of Pediatric Surgery and the Uniformed Services University of Health Sciences medical student clerkship director at NMCSD. He currently appointed as an Associate Clinical Professor in the Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery.

Board Certified in both General Surgery and Pediatric Surgery by the American Board of Surgery, Dr. Ignacio is a member of American College of Surgeons, American Pediatric Surgical Association, American Academy of Pediatrics, Pacific Association of Pediatric Surgeons, International Pediatric Endosurgery Group, Society of American Gastrointestinal and Endoscopic Surgeons, Association of Military Surgeons of the United States and Pacific Coast Surgical Association.

Captain Ignacio has a strong interest in humanitarian missions and was selected as Director of Surgical Services (MERCEX 2010), Advance Team Lead surgeon, Designated Institutional Officer and solo military pediatric surgeon in the Pacific Partnership 2012 humanitarian mission, which provided medical care to >100,000 patients in host nations and surgical care to over 800 patients in Indonesia, Vietnam, Cambodia and the Philippines.

Dr. Ignacio has been an outstanding leader and mentor among residents, interns and medical students. His impressive role as a surgical educator has been demonstrated by his recent teaching awards: Arnold P. Gold Foundation's Humanism and Excellence in Teaching Award (2009), General Surgery Mentor of the Year Award (2010, 2012, and 2013), Allshouse-Jones Teaching Award (2010, 2013) and the Donald L. Sturtz Excellence in Teaching Award (2011) and the Naval Medical Center San Diego Master Clinician Award (2012).


Pediatric Extremity Vascular Trauma: It Matters Where It Is Treated
James M Prieto, Jan Michael Van Gent, Richard Y Calvo, Kyle D Checchi, Lyndsey E Wessels, Michael J Sise, C Beth Sise, Vishal Bansal, Matthew J Martin, Romeo C Ignacio

Safe Cholecystectomy Multi-Society Practice Guideline and State-Of-The-Art Consensus Conference on Prevention of Bile Duct Injury During Cholecystectomy
L Michael Brunt, Daniel J Deziel, Dana A Telem, Steven M Strasberg, Rajesh Aggarwal, Horacio Asbun, Jaap Bonjer, Marian McDonald, Adnan Alseidi, Mike Ujiki, Taylor S Riall, Chet Hammill, Carol-Anne Moulton, Philip H Pucher, Rowan W Parks, Mohammed T Ansari, Saxon Connor, Rebecca C Dirks, Blaire Anderson, Maria S Altieri, Levan Tsamalaidze, Dimitrios Stefanidis, Prevention of Bile Duct Injury Consensus Work Group

Pediatric Extremity Vascular Trauma: It Matters Where It Is Treated
James M Prieto, Jan Michael Van Gent, Richard Y Calvo, Kyle D Checchi, Lyndsey E Wessels, Michael J Sise, C Beth Sise, Vishal Bansal, Matthew J Martin, Romeo C Ignacio

Towards Defining the Surgical Workforce for Children: A Geospatial Analysis in Brazil
Thiago Augusto Hernandes Rocha, Joao Vissoci, Nubia Rocha, Dan Poenaru, Mark Shrime, Emily R Smith, Henry E Rice, Global Initiative for Children?s Surgery

Practical Bioethics for� the Humanitarian Surgeon: The Development, Implementation and Assessment of an Ethics Curriculum for Residents Participating in Humanitarian Missions
Victoria S McDonald, Romeo C Ignacio, Matthew A Kuettel, Lisa L Schlitzkus, Maura E Sullivan, Matthew D Tadlock

Patient-oriented Online Resources in Pediatric Surgery: Are We Failing the Readability Test?
James M Prieto, Cassidy West-Santos, Agnes S Montgomery, Utsav Patwardhan, David A Lazar, Hariharan Thangarajah, Stephen W Bickler, Eunice Y Huang, Timothy J Fairbanks, Romeo C Ignacio

Evaluating Surgical Outcomes in Pediatric Extremity Vascular Trauma
James M Prieto, Jan Michael Van Gent, Richard Y Calvo, Kyle D Checchi, Lyndsey E Wessels, C Beth Sise, Michael J Sise, Vishal Bansal, Romeo C Ignacio

Attrition Rate in Military General Surgery GME and Effect on Quality of Military Programs
Gabrielle Rolland, Eric P Ahnfeldt, Charles H Chestnut, Robert M Cromer, Byron J Faler, Andrew D Galusha, Romeo C Ignacio, Dwight C Kellicut, Daniel T Lammers, Timothy A Platz, Brandon W Propper, M Logan Rawlins, W Brian Sweeney, E Matthew Ritter

Premenarchal Patients Present Differently: A Twist on the Typical Patient Presenting With Ovarian Torsion
James M Prieto, Karen M Kling, Romeo C Ignacio, Stephen W Bickler, Timothy J Fairbanks, Nicholas C Saenz, Sneha I Nicholson, David A Lazar

Laparoscopic ventricular-cholecystic shunt
Romeo C. Ignacio Jr., Sophia M.V Schermerhorn, Alexander J. Marrotte, James M. Prieto

Trephination Versus Wide Excision for the Treatment of Pediatric Pilonidal Disease
James M Prieto, Kyle D Checchi, Karen M Kling, Romeo C Ignacio, Stephen W Bickler, Nicholas C Saenz, Timothy J Fairbanks, Sneha I Nicholson, David A Lazar

The History of Surgical Staplers: A Combination of Hungarian, Russian, and American Innovation
Alicia D Gaidry, Laurier Tremblay, Don Nakayama, Romeo C Ignacio Jr

Global Initiative for Children's Surgery: A Model of Global Collaboration to Advance the Surgical Care of Children
Global Initiative for Children?s Surgery

Optimal Resources for Children's Surgical Care: Executive Summary
Global Initiative for Children?s Surgery

Evaluating a Health Care Disparity Among Marine Recruits Treated for Acute Appendicitis
James M Prieto, Kimberly A Thompson, Lyndsey Wessels, Hope N Moore, Matthew P Hannon, Romeo C Ignacio

Operative Treatment for Intussusception: Should an Incidental Appendectomy Be Performed?
Andrew Wang, James M Prieto, Erin Ward, Stephen Bickler, Marion Henry, Karen Kling, Hariharan Thangarajah, Romeo Ignacio Jr

A Multimodal Approach Improves American Board of Surgery In-Training Examination Scores
Mary A Decoteau, Louis Rivera, Kristina Umal, Arden D Chan, Peter Soballe, Romeo C Ignacio

Abdominoscrotal Hydrocele: A Systematic Review
Alexander D Doudt, John E Kehoe, Romeo C Ignacio, Matthew S Christman

Protocol Standards for Reporting Video Data in Academic Journals
Pamela A Rowland, Romeo C Ignacio Jr, Marc A de Moya

Trichobezoars Detected and Treated Based on Plain Radiography
Amy Barrows, Tyler Vachon, Richard C Campin, Romeo C Ignacio Jr

An Unusual Presentation of Pediatric Osteoblastoma in a Patient With Klippel-Trenaunay-Weber Syndrome: Case Report
Scott A Wallace, Romeo C Ignacio, Arnett Klugh, Gregory Gates, Marion C W Henry

Integration of Surgical Residency Training With US Military Humanitarian Missions
Shane Jensen, Matthew D Tadlock, Trent Douglas, Matthew Provencher, Romeo C Ignacio Jr

Improvement of Tracheal Compression After Pectus Excavatum Repair
Go Miyano, Romeo C Ignacio Jr, Robert E Wood, Thomas H Inge

Incidental Persistent Omphalomesenteric (Vitelline) Artery During Laparoscopic Appendectomy in an Adult
Kimberly M Syres, Evelyn M Potochny, Romeo C Ignacio Jr

Diverticulitis in a Child With Williams Syndrome: A Case Report and Review of the Literature
Romeo C Ignacio Jr, William P Klapheke, Thomas Stephen, Sheldon Bond

Atypical Location of Giant Dermoid Cyst of the Neck
Alexandra Maki, Chad A Wiesenauer, Romeo C Ignacio Jr

Laparoscopic Repair of Bilateral Congenital Diaphragmatic Hernia of Morgagni in a Newborn
Romeo C Ignacio Jr, Hirikati S Nagaraj, Cynthia D Downard

Breast Disorders in Children and Adolescents
Mary E Fallat, Romeo C Ignacio Jr

Splenic Syndrome: A Rare Indication for Splenectomy
Viswanadham Pothula, Emi Saegusa, Daisuke Takekoshi, Theodore Edson, Romeo Ignacio

Primary Hepatic Carcinoid Tumor in Children
David S Foley, Indira Sunil, Robert Debski, Romeo C Ignacio, Hirkati S Nagaraj

A Case Report of Severe Tracheal Obstruction Requiring Extracorporeal Membrane Oxygenation
Romeo C Ignacio Jr., Richard A Falcone Jr., Rebeccah L Brown

The Effect of a Right-Sided Aortic Arch on Outcome in Children With Esophageal Atresia and Tracheoesophageal Fistula
Steven R Allen, Romeo Ignacio, Richard A Falcone, Maria H Alonso, Rebeccah L Brown, Victor F Garcia, Thomas H Inge, Frederick C Ryckman, Brad W Warner, Richard G Azizkhan, Gregory M Tiao

Necrotizing Fasciitis: A Rare Complication of Neonatal Necrotizing Enterocolitis
Romeo C Ignacio, Richard A Falcone Jr, Brad W Warner

Laparoscopic Versus Open Appendectomy: What Is the Real Difference? Results of a Prospective Randomized Double-Blinded Trial
R C Ignacio, R Burke, D Spencer, C Bissell, C Dorsainvil, P A Lucha

The Incidence of Positive Peritoneal Cytology in Colon Cancer: A Prospective Randomized Blinded Trial
Paul A Lucha Jr, Romeo Ignacio, Dennis Rowley, Michael Francis

Plasma Methionine-Enkephalin in PTSD
M E Wolf, A D Mosnaim, J Puente, R Ignacio

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